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Commitments and contingencies (Details) - USD ($) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | Nov. 30, 2020 | Aug. 13, 2020
Other Commitments [Line Items] |  |  |  |  |
Warrants | $ 1,254 |  | $ 1,892 |  |
Lease cost | 400 | $ 400 |  |  |
Preferred stock warrants |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Warrants, number of shares issuable (in shares) |  |  |  | 3,247,637 |
Warrants vested, percentage |  |  |  |  | 40.00%
Warrants |  |  |  | $ 1,100 |
Warrants vested, fair value | $ 0 |  |  |  |

X
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- Definition Class Of Warrant Or Right, Vested, Percentage + References No definition available. + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-3 + Details
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- Details
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